---
title: SignatureInfo.IsCertificateUntrusted Property (Office)
keywords: vbaof11.chm286013
f1_keywords:
- vbaof11.chm286013
ms.prod: office
api_name:
- Office.SignatureInfo.IsCertificateUntrusted
ms.assetid: c52041d5-2522-7656-5a40-4b0f3035005d
ms.date: 06/08/2017
---


# SignatureInfo.IsCertificateUntrusted Property (Office)

Gets a  **Boolean** value indicating whether the digital certificate used to digitally sign a document comes from a trusted source. Read-only.


## Syntax

 _expression_. **IsCertificateUntrusted**

 _expression_ An expression that returns a **SignatureInfo** object.


### Return Value

Boolean


## See also


#### Concepts


[SignatureInfo Object](signatureinfo-object-office.md)
#### Other resources


[SignatureInfo Object Members](signatureinfo-members-office.md)

